INDIANAPOLIS -- Incoming freshmen David Heron and Michelle Cefal turned in Tennessee's best performances Tuesday to start the U.S. Swimming World Trials.

One of the Vols' two distance freestyle signees, Heron placed 11th in the 1500-meter freestyle in 15 minutes, 35.90 seconds. Teammate and rising senior Sam Petersen was 25th in 16:05.82.

In the 200 butterfly, Cefal led the way. The Oregon native was 12th in 2:12.26, while recent graduate Kelsey Floyd touched the wall just behind her in 13th (2:12.71).

Tennessee also had competitors in the 100 freestyle. For the women, former Lady Vol Christine Magnuson was 17th in the prelims in 55.47 and rising senior Lindsay Gendron was 22nd in 55.74. Rising sophomore Faith Johnson was the only Lady Vol to swim in the evening finals, taking 20th (56.32).